%% You should probably cite rfc8042 instead of this I-D.
@techreport{ietf-ospf-two-part-metric-09,
    number =    {draft-ietf-ospf-two-part-metric-09},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-ospf-two-part-metric/09/},
    author =    {Zhaohui (Jeffrey) Zhang and Lili Wang and Acee Lindem},
    title =     {{OSPF Two-part Metric}},
    pagetotal = 9,
    year =      2016,
    month =     aug,
    day =       29,
    abstract =  {This document specifies an optional extension to the OSPF protocol, to represent the metric on a multi-access network as two parts: the metric from a router to the network, and the metric from the network to the router. The router to router metric would be the sum of the two. This document updates RFC 2328.},
}